Merge branch 'blackfin-Drop-non-functional-DSA-code'

Florian Fainelli says:

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blackfin: Drop non-functional DSA code

I sent those many months ago in the hope that the bfin-linux people
would pick those patches but nobody seems to be responding, can you
queue those via net-next since this affects DSA?
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Signed-off-by: David S. Miller <davem@davemloft.net>